Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
808,093
Country Rank
942
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/10985.png)
![Kenya](/flags/ke.png)
![Enos Wambu](https://cdn.adscientificindex.com/pictures/6a/4445336.jpg)
Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
* Total i10 Index Rankings
World Rank
1,589,157
Country Rank
4,039
Institution Rank : 67
![](https://cdn.adscientificindex.com/logos/10985.png)
![Kenya](/flags/ke.png)
![Fidelis Samita](/user/assets/images/profile/no-profile-photo.png)
Natural Products
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 Index Rankings
World Rank
1,595,893
Country Rank
4,094
Institution Rank : 69
![](https://cdn.adscientificindex.com/logos/10985.png)
![Kenya](/flags/ke.png)
![John M Ndegwa](/user/assets/images/profile/no-profile-photo.png)
Natural products chemistry
Organic Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 Index Rankings
World Rank
1,759,725
Country Rank
5,040
Institution Rank : 87
![](https://cdn.adscientificindex.com/logos/10985.png)
![Kenya](/flags/ke.png)
![Onyambu Zipporah Moraa](/user/assets/images/profile/no-profile-photo.png)
Food security and nutrition
Analysis of cosmetic products
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 Index Rankings
World Rank
1,785,055
Country Rank
5,167
Institution Rank : 90
![](https://cdn.adscientificindex.com/logos/10985.png)
![Kenya](/flags/ke.png)
![Paul Kipkosgei Tarus](/user/assets/images/profile/no-profile-photo.png)
Natural product chemistry
Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 Index Rankings
World Ranking
808,093
Country Ranking
942
Institution Ranking
7
Enos Wambu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
* Total i10 Index Rankings
World Ranking
1,589,157
Country Ranking
4,039
Institution Ranking
67
Fidelis Samita
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 Index Rankings
World Ranking
1,595,893
Country Ranking
4,094
Institution Ranking
69
John M Ndegwa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
![](https://cdn.adscientificindex.com/logos/10985.png)
Natural products chemistry
Organic Chemistry
* Total i10 Index Rankings
World Ranking
1,759,725
Country Ranking
5,040
Institution Ranking
87
Onyambu Zipporah Moraa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
![](https://cdn.adscientificindex.com/logos/10985.png)
Food security and nutrition
Analysis of cosmetic products
* Total i10 Index Rankings
World Ranking
1,785,055
Country Ranking
5,167
Institution Ranking
90
Paul Kipkosgei Tarus
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
![](https://cdn.adscientificindex.com/logos/10985.png)
Natural product chemistry
Chemistry